SSL2129AT

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© NXP B.V. 2012. All rights reserved.

Product data sheet

Rev. 2 — 23 October 2012

12 of 21

NXP Semiconductors

SSL2129AT

Dimmable LED controller IC

11. Characteristics

Table 6.

Characteristics

Symbol

Parameter

Conditions

Min

Typ

Max

Unit

conversion frequency

-

100

-

kHz

High-voltage

leakage current on pin DRAIN

-

-

10

A

leakage current on pin HV

-

-

30

A

Supply

supply voltage

operating range

[1] 8

-

14

V

start-up supply voltage

11

12

13

V

stop supply voltage

8

9

10

V

hysteresis of supply voltage

2

-

4.5

V

reset supply voltage

4.5

5

5.5

V

regulator switch-on supply voltage

8.75

9.25

9.75

V

regulator switch-off supply voltage

9.5

10

10.5

V

0.3

-

-

V

regulator switch-on and stop

0.3

-

-

V

Consumption

standby current on pin HV

during start-up or in protection;

300

350

400

A

internal supply current

normal operation

-

1.3

-

mA

Capability

high supply current on pin HV

1

1.3

1.6

mA

2

2.3

2.6

mA

Current

overcurrent protection threshold

voltage on pin SOURCE

V/t = 0.1 V/s

480

500

520

mV

V/t = 0.1 V/s; V

230

250

270

mV

delay time from overcurrent

protection to switch-off

V/t = 0.1 V/s

-

75

100

ns

leading edge blanking time

overcurrent protection

260

300

340

ns

Valley detection

(

V/t)

vrec

valley recognition voltage change

with time

on pin DRAIN

30

20

10

V/

s

ringing frequency

[2] 200

550

1000

kHz

V

vrec(min)

minimum valley recognition

voltage difference

voltage drop on pin DRAIN

15

20

25

V

valley recognition to switch on

delay time

-

100

-

ns